Home / 9,076,765.60-13,615,148.40-8,320,938.40

Finding the Fourth Proportional to 9,076,765.60, 13,615,148.40 and 8,320,938.40

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Solution

The fourth proportional to 9,076,765.60, 13,615,148.40 and 8,320,938.40 is: 12,481,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076,765.60 : 13,615,148.40 = 8,320,938.40 : x
  2. Step 2: Convert to fraction form
    9,076,765.60/13,615,148.40 = 8,320,938.40/x
  3. Step 3: Cross multiply
    9,076,765.60x = 13,615,148.40 × 8,320,938.40
  4. Step 4: Simplify right side
    9,076,765.60x = 113,290,811,143,258.56
  5. Step 5: Solve for x
    x = 113,290,811,143,258.56/9,076,765.60
  6. Step 6: Final answer
    x = 12,481,407.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.